"a test module"
__author__ = "zhangyanqiang"
import sys


def test():
    print('aaa')
    print('bbb')
    args = sys.argv
    if len(args) == 1:
        print('hello world')

    elif len(args) == 2:
        print('hello %s', args[1])


    else:
        print('too many arguments')
if __name__ == '__main__':
   test()
